Prairie Threshold Days by Year (USS0015F06S)

14 fixed thresholds counted per year at Prairie (USS0015F06S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Prairie Thresholds

Prairie: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1983 with 37.
Prairie: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 1996 with 5.
Prairie: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 2022 with 59.
Prairie: days with a maximum temperature at or above 90 F (32.2 C) in 37 years, most in 2022 with 39.
14 fixed thresholds have at least one qualifying day at Prairie.

Days at or above 30 C (86 F)

37 years with a qualifying day

Days per year at Prairie with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 59 in 2022.

Days at or above 30 C (86 F) per year at Prairie
Year	Days	Decade average
1989	30	30
1990	46	40.7
1991	36	40.7
1992	35	40.7
1994	52	40.7
1995	28	40.7
1996	43	40.7
1997	32	40.7
1998	54	40.7
1999	40	40.7
2000	45	43.7
2001	51	43.7
2002	39	43.7
2003	47	43.7
2004	41	43.7
2005	38	43.7
2006	51	43.7
2007	58	43.7
2008	35	43.7
2009	32	43.7
2010	28	40
2011	34	40
2012	47	40
2013	55	40
2014	37	40
2015	34	40
2016	35	40
2017	53	40
2018	43	40
2019	34	40
2020	38	47
2021	53	47
2022	59	47
2023	29	47
2024	52	47
2025	47	47
2026	51	47

For each year, a bar from the first to the last day at Prairie meeting 30 C (86 F).

First to last qualifying date each year at Prairie
Year	First date	Last date
1989	1989-06-14	1989-09-25
1990	1990-06-22	1990-09-14
1991	1991-07-03	1991-09-06
1992	1992-06-09	1992-10-01
1994	1994-06-19	1994-09-08
1995	1995-06-26	1995-09-15
1996	1996-06-07	1996-09-12
1997	1997-07-04	1997-10-01
1998	1998-06-29	1998-09-17
1999	1999-06-13	1999-08-29
2000	2000-06-04	2000-09-16
2001	2001-05-23	2001-09-24
2002	2002-06-14	2002-09-15
2003	2003-05-24	2003-09-26
2004	2004-06-03	2004-08-31
2005	2005-06-20	2005-09-08
2006	2006-05-16	2006-09-06
2007	2007-06-02	2007-09-13
2008	2008-06-20	2008-09-19
2009	2009-05-18	2009-09-05
2010	2010-06-28	2010-10-02
2011	2011-06-22	2011-09-30
2012	2012-06-04	2012-09-14
2013	2013-06-10	2013-09-11
2014	2014-07-01	2014-09-25
2015	2015-06-09	2015-09-25
2016	2016-06-05	2016-08-31
2017	2017-06-07	2017-09-08
2018	2018-06-25	2018-09-07
2019	2019-07-06	2019-09-05
2020	2020-05-29	2020-09-17
2021	2021-06-02	2021-09-09
2022	2022-06-28	2022-09-12
2023	2023-07-01	2023-08-29
2024	2024-06-13	2024-09-28
2025	2025-05-31	2025-09-04
2026	2026-05-12	2026-10-04

Every Fixed Threshold

Fixed thresholds at Prairie
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	37	59	2022	51
35 C (95 F): Days	35	18	2003	16
40 C (104 F): Days	1	2	2002	2
90 F (32.2 C): Days	37	39	2022	41
100 F (37.8 C): Days	12	3	2002	1
0 C (32 F): Ice days (max	37	52	2022	8
0 C (32 F): Frost days (min	33	213	2002	114
-10 C (14 F): Days with min	33	77	2022	11
-20 C (-4 F): Days with min	29	11	2022	5
-30 C (-22 F): Days with min	1	1	2017	1
20 C (68 F): Tropical nights (min	2	1	2007	1
10 mm (0.39 in): Days with 10 mm or more rain	45	37	1983	7
25 mm (0.98 in): Days with 25 mm or more rain	39	5	1996	1
50 mm (1.97 in): Days with 50 mm or more rain	1	1	2012	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1989.

Download the Data

Data for Prairie threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Prairie Threshold Days by Year (USS0015F06S)

Key Facts for Prairie Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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